Panel Fastener Screw

397539-1

397539-1
(NSN) National Stock Number
5305-01-481-0373
Federal Supply Classification
5305 Screws
Item Name Code
19665
Schedule B Code
7318152000
Summary

2a thread class, 0.170 inches minimum and 0.230 inches maximum thread length, 0.750 inches minimum and 0.781 inches maximum fastener length, 0.250 inches nominal thread diameter, 20 thread quantity per inch, 160000 pounds per square inch minimum tensile strength

DAC HCC DMIL RNCC
A - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. The screw fastener is used in conjunction with a speed nut to facilitate fastening two items.

INC FIIG Concept Condition
19665 A003B0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Length
0.170 inches minimum and 0.230 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.750 inches minimum and 0.781 inches maximum
Details The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
Nominal Thread Diameter
0.250 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Thread Quantity Per Inch
20
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
160000 pounds per square inch
Details The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
Hardness Rating
36.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Special Features
threads shall be iaw mil-s-7742;bag and or tag with indent iaw mil-std-130
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel comp 1010 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
iawfedstdnumber66 international std/spec 1st material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
cadmium overall
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Surface Treatment Document And Classification
qq-p-416,type2,class3 fed spec 1st treatment response overall
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Thread Series Designator
unc
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
48950 - W -
RVC WCC TCC SHC
- 573 Z 9

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Manufacturer
MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT DEFENSE SYSTEMS INC
CAGE: 62228
IRVINE , CA , 92618-2521
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-01-481-0373
What is the NIIN of the NSN 5305-01-481-0373?
The National Item Identification Number (NIIN) of the NSN 5305-01-481-0373 is 01-481-0373
When the NSN 5305-01-481-0373 was assigned to the Federal Catalog?
It was assigned 24 years ago, on Thu, Dec 14, 2000
Does the NSN 5305-01-481-0373 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-481-0373 contain any hazardous material?
No data in HMIRS

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